array: replace make() with the new init syntax

vlib/crypto/rand/rand.v

@@ -11,8 +11,7 @@ const (
 // NOTE: temp until we have []bytes(buff)
 fn c_array_to_bytes_tmp(len int, buffer voidptr) []byte {
 
-	mut arr := []byte{}
-	arr = make(len, 1, 1)
+	mut arr := []byte{len:len, cap:1}
 	arr.data = buffer
 	/*